//
//  UIButton+Extension.swift
//  01-weibo
//
//  Created by Captain-Lee on 16/4/7.
//  Copyright © 2016年 Capt-Lee. All rights reserved.
//

import UIKit

extension UIButton {

    // 遍历构造函数
    convenience init(imageName: String, backImageName: String ) {
    
        self.init()
        
        setImage(UIImage(named: imageName), forState: UIControlState.Normal)
        setImage(UIImage(named: imageName + "_highlighted"), forState: UIControlState.Highlighted)
        setBackgroundImage(UIImage(named: backImageName), forState: UIControlState.Normal)
        setBackgroundImage(UIImage(named: backImageName + "_highlighted"), forState: UIControlState.Highlighted)
        
        // 会根据背景图片的大小调整尺寸
        sizeToFit();
    }

    
    convenience init(title: String, color: UIColor, imageName: String) {
    
        self.init()
        
        setTitle(title, forState: UIControlState.Normal)
        setTitleColor(color, forState: UIControlState.Normal)
        setBackgroundImage(UIImage(named: imageName), forState: UIControlState.Normal)
        
    }
    
    
}
